Perhaps you should try some spelling variations:
"walk and talk" » "wall and talk", "wark and talk", "falk and talk", "walk and task"
"walk and tall" » "wall and tall", "wark and tall", "falk and tall", "walk and tell", "walk and all", "walk and wall"
"walk and hall" » "wall and hall", "wark and hall", "falk and hall", "walk and hill"
"walk and tal" » "wall and tal", "wark and tal", "falk and tal"
"walt and hall" » "walt and hill", "wall and hall"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("walk and talk") OR ((((("walk and tall") OR ((("walk and hall") OR ("walt and hall"))))) OR ("walk and tal"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"walk and talk\") OR (((((\"walk and tall\") OR (((\"walk and hall\") OR (\"walt and hall\"))))) OR (\"walk and tal\"))))".
• Removing quotes may allow a broader search: (( walk and talk ) OR ((((( walk and tall ) OR ((( walk and hall ) OR ( walt and hall ))))) OR ( walk and tal )))).
• Adding a wildcard symbol may retrieve word variants: (("walk and talk") OR ((((("walk and tall") OR ((("walk and hall") OR ("walt and hall"))))) OR ("walk and tal"))))*.